2086259660 has 48 divisors (see below), whose sum is σ = 4623091200. Its totient is φ = 788635584.

The previous prime is 2086259629. The next prime is 2086259663. The reversal of 2086259660 is 669526802.

It is not an unprimeable number, because it can be changed into a prime (2086259663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152669 + ... + 165771.

It is an arithmetic number, because the mean of its divisors is an integer number (96314400).

Almost surely, 2^2086259660 is an apocalyptic number.

2086259660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2086259660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2311545600).

2086259660 is an abundant number, since it is smaller than the sum of its proper divisors (2536831540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2086259660 is a wasteful number, since it uses less digits than its factorization.

2086259660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13550 (or 13548 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 2086259660 is about 45675.5915123165. The cubic root of 2086259660 is about 1277.7801000140.

The spelling of 2086259660 in words is "two billion, eighty-six million, two hundred fifty-nine thousand, six hundred sixty".